.user_jp_topbanner .topbanner{
    height:400px;
   text-align:center;
}
.user_jp_topbanner .topbanner img{
margin-top:16px;
transition: all 1s;
-moz-transition: all 1s;	
-webkit-transition: all 1s;	
-o-transition: all 1s;	
}
.user_jp_topbanner .topbanner img:hover{
transform: rotateY(180deg);
-webkit-transform: rotateY(180deg);
-moz-transform: rotateY(180deg);
}